Many churches have stained windows. “I was a rubbish church window cleaner. I got rid of all the stains” was printed in The Biggest Ever Tim Vine Joke Book (2010) by English writer, actor, comedian and presenter Tim Vine.
   
“Despite removing all the stains, I still lost my job as a church window cleaner” was posted on Twitter by David Clarke (and others) on January 11, 2012, and on Reddit—Oneliners on August 7, 2012.
 
   
Wikipedia: Tim Vine
Timothy Mark Vine (born 4 March 1967) is an English writer, actor, comedian and presenter, known for his one-liner jokes, and his role on Not Going Out from 2006 to 2014. He has released a number of DVDs of his stand-up comedy and has written several joke books. In 2010 and 2014, Vine won the award for best joke at the Edinburgh Festival Fringe.
 
Google Books
The Biggest Ever Tim Vine Joke Book
By Tim Vine
London, UK: Century
2010
Pg. 44:
I was a rubbish church window cleaner. I got rid of all the stains.
   
Twitter
Jono
@Jonos_Music
My mate got the sack from being a Church window cleaner….He kept wiping out all the stains…...
11:23 AM · Dec 6, 2011·Twitter Web Client
   
Twitter
Kelvin Farmaner
@InsuranceLitSol
I was a rubbish church window cleaner. I got rid of all the stains. #JanuaryJokes
4:10 AM · Jan 11, 2012·Hootsuite
   
Twitter
Alan Tabbner
@utterutterbolox
Despite removing all the stains, I still lost my job as a Church window cleaner.
9:04 AM · Jan 11, 2012·Twitter for iPhone
   
Twitter
David Clarke
@PunSl1nger
Despite removing all the stains, I still lost my job as a Church window cleaner.
9:35 AM · Jan 11, 2012·Twitter for iPhone
 
Twitter
Simon Hazeldine
@SimonHazeldine
Joke of the day “I was a rubbish church window cleaner. I got rid of all the stains!” - Tim Vine
2:45 AM · May 17, 2016·Twitter Web Client
 
Reddit—Oneliners
Posted by u/VERBERD August 7, 2020
Despite removing all the stains, I still lost my job as a Church window cleaner.